Present Perfect Simple / Continuous

I'm worried about Sam. She's ___ to hard recently. (work)

She's ___ three main ways our company can reduce costs. (find)

Have you always ___ garlic? (hate)

I've ___ to call the internet company all morning but I can't get through. (try)

He's ___ for the party for weeks. (prepare)

Thanks for the recipe book! We've ___ two different recipes so far. (try)

You've got white dust all ouver you! What have you ___? (do)

Have your parents ___ yet? (arrive)